docs: def is_swapped(app_label, model):
      """
      Returns the value of the swapped setting, or False if the model hasn't
      been swapped.
      """
      default_model = join(app_label, model)
      setting = swappable_setting(app_label, model)
      value = getattr(settings, setting, default_model)
      if value != default_model:
          return value
      else:
          return False